package jdbc;

import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.Statement;
import java.util.Scanner;

public class LoginDemo {
    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);
        System.out.println("请输入用户名");
        String name=scanner.nextLine();
        System.out.println("请输入密码");
        String password=scanner.nextLine();
        try(Connection connection=DBUtil.getConnection()){
            Statement statement=connection.createStatement();
            String sql="SELECT id,username,password,nickname,age " +
                    "FROM user " +
                    "WHERE username='"+name+"' AND password='"+password+"'";
            ResultSet rs=statement.executeQuery(sql);
            if(rs.next()){
                System.out.println("登陆成功");
            }else{
                System.out.println("登录失败");
            }

        }catch (Exception e){
            e.printStackTrace();
        }

    }
}
